1.贝加尔湖汇集了330多条河流,储存了世界淡水的20%。2.飞鱼可以跃出水面6米以上,然后在空中滑翔近300米。3.狗只能看见黑、白、灰色,导盲犬是根据红绿灯的光亮度不同来判断是否可以过街。4.狗眼睛的水晶体是人的两倍,所以大部分狗是近视眼。5.人的眼睛可以分辨出250种纯色,1.7 1. Lake Baikal brings together more than 330 rivers and stores 20% of the world’s fresh water. 2. Flying fish can leap over the surface of the water more than 6 meters, and then gliding in the air for nearly 300 meters. 3. The dog can only see black, white, and gray. The guide dog is based on the difference in the brightness of the traffic light to determine if it can cross the street. 4. The dog’s eye has twice as many crystals as humans, so most dogs are myopic. 5. Human eyes can distinguish 250 solid colors, 1.7